| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2517 |
81.6%
|
| 2 | I have not stopped smoking | 148 |
4.8%
|
| 3 | 1-3 months | 113 |
3.7%
|
| 4 | 4-11 months | 51 |
1.7%
|
| 5 | One year | 43 |
1.4%
|
| 6 | 2 years | 48 |
1.6%
|
| 7 | 3 years or longer | 163 |
5.3%
|
| Sysmiss | 53 |